
package org.linlinjava.litemall.db.service;

import org.linlinjava.litemall.db.dao.GoodsProductMapper;
import org.linlinjava.litemall.db.dao.LitemallGoodsProductMapper;
import org.linlinjava.litemall.db.domain.LitemallGoodsProduct;
import org.linlinjava.litemall.db.domain.LitemallGoodsProductExample;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.List;

@Service
public class LitemallGoodsProductService {

	@Resource
	private LitemallGoodsProductMapper litemallGoodsProductMapper;

	@Resource
	private GoodsProductMapper goodsProductMapper;

	public List<LitemallGoodsProduct> queryByGid(Integer gid) {
		LitemallGoodsProductExample example = new LitemallGoodsProductExample();
		example.or().andGoodsIdEqualTo(gid).andDeletedEqualTo(false);
		return litemallGoodsProductMapper.selectByExample(example);
	}

	public LitemallGoodsProduct findById(Integer id) {
		return litemallGoodsProductMapper.selectByPrimaryKey(id);
	}

	public void deleteById(Integer id) {
		litemallGoodsProductMapper.logicalDeleteByPrimaryKey(id);
	}

	public void add(LitemallGoodsProduct goodsProduct) {
		goodsProduct.setAddTime(LocalDateTime.now());
		goodsProduct.setUpdateTime(LocalDateTime.now());
		litemallGoodsProductMapper.insertSelective(goodsProduct);
	}

	public int count() {
		LitemallGoodsProductExample example = new LitemallGoodsProductExample();
		example.or().andDeletedEqualTo(false);
		return (int) litemallGoodsProductMapper.countByExample(example);
	}

	public void deleteByGid(Integer gid) {
		LitemallGoodsProductExample example = new LitemallGoodsProductExample();
		example.or().andGoodsIdEqualTo(gid);
		litemallGoodsProductMapper.logicalDeleteByExample(example);
	}

	public int addStock(Integer id, Short num) {
		return goodsProductMapper.addStock(id, num);
	}

	public int reduceStock(Integer id, Short num) {
		return goodsProductMapper.reduceStock(id, num);
	}
}